adaptation adaptation /ˌædæpˈteɪʃən/

noun

1. () A written work (as a novel) that has been recast in a new form  ( adaptation , version )
   a written work (as a novel) that has been recast in a new form
    The play is an adaptation of a short novel
   the play is an adaptation of a short novel
   
2. (physiology) the responsive adjustment of a sense organ (as the eye) to varying conditions (as of light)  ( adaptation )
   (physiology) the responsive adjustment of a sense organ (as the eye) to varying conditions (as of light)
   
3. The process of adapting to something (such as environmental conditions)  ( adaptation , adaption , adjustment )
   the process of adapting to something (such as environmental conditions)